IT8026150A0 - CONFERENCE TELECOMMUNICATIONS SYSTEM WITH DUPLEXTRILATERAL PATHS WITH CIRCULAR TRANSMISSION CAPACITY. - Google Patents

CONFERENCE TELECOMMUNICATIONS SYSTEM WITH DUPLEXTRILATERAL PATHS WITH CIRCULAR TRANSMISSION CAPACITY.

Info

Publication number
IT8026150A0
IT8026150A0 IT8026150A IT2615080A IT8026150A0 IT 8026150 A0 IT8026150 A0 IT 8026150A0 IT 8026150 A IT8026150 A IT 8026150A IT 2615080 A IT2615080 A IT 2615080A IT 8026150 A0 IT8026150 A0 IT 8026150A0
Authority
IT
Italy
Prior art keywords
duplextrilateral
conference
paths
telecommunications system
transmission capacity
Prior art date
Application number
IT8026150A
Other languages
Italian (it)
Other versions
IT1194724B (en
Inventor
Michael Leonard Kuras
Daniel Clay Upp
Herbert Josep Toegel
Original Assignee
Int Standard Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of IT8026150A0 publication Critical patent/IT8026150A0/en
Application granted granted Critical
Publication of IT1194724B publication Critical patent/IT1194724B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/20—Aspects of automatic or semi-automatic exchanges related to features of supplementary services
    • H04M2203/205—Broadcasting

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Mobile Radio Communication Systems (AREA)
IT26150/80A 1979-11-21 1980-11-21 TELECOMMUNICATIONS SYSTEM IN CONFERENCE WITH TRILATERAL DUPLEX ROUTES WITH CIRCULAR TRANSMISSION CAPACITY IT1194724B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/096,599 US4293946A (en) 1979-11-21 1979-11-21 Trilateral duplex path conferencing system with broadcast capability

Publications (2)

Publication Number Publication Date
IT8026150A0 true IT8026150A0 (en) 1980-11-21
IT1194724B IT1194724B (en) 1988-09-22

Family

ID=22258130

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26150/80A IT1194724B (en) 1979-11-21 1980-11-21 TELECOMMUNICATIONS SYSTEM IN CONFERENCE WITH TRILATERAL DUPLEX ROUTES WITH CIRCULAR TRANSMISSION CAPACITY

Country Status (12)

Country Link
US (1) US4293946A (en)
JP (1) JPS5854540B2 (en)
AU (1) AU538967B2 (en)
BE (1) BE886273A (en)
CA (1) CA1160372A (en)
CH (1) CH651982A5 (en)
DE (1) DE3043905A1 (en)
ES (1) ES497008A0 (en)
GB (1) GB2063622B (en)
IT (1) IT1194724B (en)
MX (1) MX148781A (en)
SE (1) SE456793B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652959A (en) * 1979-10-06 1981-05-12 Fujitsu Ltd Network connection system
NL8201058A (en) * 1982-03-15 1983-10-03 Philips Nv METHOD AND APPARATUS FOR ESTABLISHING A CONFERENCE CONNECTION IN A TDM COMMUNICATION SYSTEM
FR2528646B1 (en) * 1982-06-11 1988-02-12 Thomson Csf Mat Tel DEVICE FOR TRANSMITTING BETWEEN TERMINATIONS OF A TEMPORAL COMMUNICATION SYSTEM
FR2531593B1 (en) * 1982-08-05 1992-09-04 Thomson Csf Mat Tel MODULAR TEMPORAL AUTOMATIC SWITCH IN TRAFFIC AND CAPACITY
US4479195A (en) * 1982-09-07 1984-10-23 At&T Bell Laboratories Data conference system
US4499577A (en) * 1982-10-18 1985-02-12 At&T Bell Laboratories Linear time division multiplexed conferencer for data transfer applications
NO162098C (en) * 1982-11-30 1989-11-01 Alcatel Nv PROCEDURE FOR TRANSFER OF VOICE AND DATA.
US4584680A (en) * 1982-11-30 1986-04-22 Itt Corporation Use of a tone bus to provide polling and data distribution apparatus for communication system terminal groups
US4578789A (en) * 1982-11-30 1986-03-25 Itt Corporation Simultaneous voice and data communication and data base access in a switching system using a tone bus or broadcast mode
US4797877A (en) * 1986-12-18 1989-01-10 American Telephone And Telegraph Company Communication system dynamic conferencer circuit
ATE117491T1 (en) * 1988-09-07 1995-02-15 Siemens Ag CIRCUIT ARRANGEMENT FOR PRODUCING CONFERENCE CONNECTIONS IN A DIGITAL TIME MULTIPLEX TELECOMMUNICATION EXCHANGE.
DE3912333A1 (en) * 1989-04-14 1990-10-25 Nixdorf Computer Ag METHOD FOR CONTROLLING THE SETUP OF DATA TRANSFER CONNECTIONS IN TELECOMMUNICATION SYSTEMS
US6205124B1 (en) * 1996-12-31 2001-03-20 Compaq Computer Corporation Multipoint digital simultaneous voice and data system
JP4044656B2 (en) * 1997-10-14 2008-02-06 富士通株式会社 Data communication system and apparatus
EP1239697A1 (en) * 2001-03-05 2002-09-11 Lucent Technologies Inc. Method of operating a telephone network
JP6308637B1 (en) 2017-05-08 2018-04-11 国立大学法人福井大学 3D measurement method and apparatus using feature quantity

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551600A (en) * 1968-02-23 1970-12-29 Stromberg Carlson Corp High capacity,high side-tone suppression,4-wire conference circuit
SE318914B (en) * 1969-03-18 1969-12-22 Ericsson Telefon Ab L M
US4049920A (en) * 1976-10-18 1977-09-20 Bell Telephone Laboratories, Incorporated Analog signal summing conference circuit
GB1583635A (en) * 1977-03-02 1981-01-28 Int Standard Electric Corp Subscriber line or trunk circuit
DE2811466C3 (en) * 1978-03-16 1981-01-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Method for establishing conference connections in a PCM time division multiplex switching system
US4201890A (en) * 1978-03-17 1980-05-06 International Telephone And Telegraph Multiport digital switching element
DE2812387C2 (en) * 1978-03-21 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Method and circuit arrangement for establishing conference connections in a PCM time division multiplex switching system
US4203001A (en) * 1978-06-02 1980-05-13 Siemens Aktiengesellschaft Apparatus for establishing multi-address and conference call connections

Also Published As

Publication number Publication date
ES8106392A1 (en) 1981-08-01
GB2063622A (en) 1981-06-03
IT1194724B (en) 1988-09-22
CH651982A5 (en) 1985-10-15
BE886273A (en) 1981-05-21
DE3043905A1 (en) 1981-09-03
MX148781A (en) 1983-06-14
JPS5686566A (en) 1981-07-14
SE456793B (en) 1988-10-31
AU6441680A (en) 1981-05-28
US4293946A (en) 1981-10-06
ES497008A0 (en) 1981-08-01
AU538967B2 (en) 1984-09-06
DE3043905C2 (en) 1989-06-08
CA1160372A (en) 1984-01-10
GB2063622B (en) 1983-10-19
JPS5854540B2 (en) 1983-12-05
SE8008076L (en) 1981-05-22

Similar Documents

Publication Publication Date Title
ES510267A0 (en) IMPROVEMENTS INTRODUCED IN HEADPHONE DEVICES.
IT8019029A0 (en) TELEPHONE SYSTEM DOES NOT REQUIRE CENTRAL CENTER.
NL7711604A (en) TELECOMMUNICATION SWITCHING SYSTEM.
IT8026150A0 (en) CONFERENCE TELECOMMUNICATIONS SYSTEM WITH DUPLEXTRILATERAL PATHS WITH CIRCULAR TRANSMISSION CAPACITY.
DE3381857D1 (en) STORAGE SYSTEM.
JPS5665561A (en) Conference telephone system
DE3267326D1 (en) Optical beam switching device and telephone exchange including the same
NO810100L (en) TELECOMMUNICATIONS SYSTEM.
DE3881422T2 (en) Telephone device with multiple functions.
ES516651A0 (en) IMPROVEMENTS IN MOBILE CARRIERS.
IT8223041A0 (en) PHONE WITH SPEAKER.
ES286420Y (en) OSMOTIC DEVICE.
FI842369A (en) ELASTOMERA COPOLYMER, DERAS FRAM- STAELLNING OCH ANVAENDNING.
NL7711366A (en) TELEPHONE CONFERENCE SYSTEM.
ES510159A0 (en) "IMPROVEMENTS IN THE WELDING DEVICES".
IT8321387A0 (en) TELEPHONE INDICATOR.
BR8002716A (en) TELEPHONE SYSTEM
ES510474A0 (en) "IMPROVEMENTS IN MULTIPLE DEVICE DEVICES".
NO811516L (en) TELECOMMUNICATIONS SYSTEM.
MX154832A (en) IMPROVEMENTS IN TELECOMMUNICATION SYSTEM WITH NUMERICAL CONNECTION SUBSCRIBER
IT8222070A0 (en) CABINET WITH INCORPORATED MODULAR ARMCHAIR-BED.
NO802209L (en) DIGITAL telecommunications system.
ES511385A0 (en) "IMPROVEMENTS IN THE CONFERENCE CIRCUITS FOR SWITCHING TELEPHONE CENTRALS".
ES502130A0 (en) IMPROVEMENTS IN TRANSMISSION DEVICES.
ES508353A0 (en) "IMPROVEMENTS IN REPELLENT ECOLOGICAL ELECTRICAL SYSTEMS".

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931129